Bottom for reaction towers



Patented May 23, 1933 UMTED starts emes ADOLF IHR AND KARL GEBHARDT, or rnANK onr:on-rrrE-MAIN-HocHsr, GER- IJIANY, ASSIGNOBS TO I. G. FABBENINDUSTRIE AKTIENGESELLSCHAFT, OF FRANK- FORT-ON-THE-MAIN, GERMANY BOTTOM ron nnacrrov 'rownRs Application file October 4, 1930, Serial No. &86,477, and in Germany 'October 7, 1929.

The present invention relates to bottoms for reaction towers. In order to produce a reaction between gases and circulating liquids, towers made of natural stones are often used in the chemical industry. In View of the dimensions of these towers it is impossible to make the bottom of one piece, this part of the tower being that which is subjected to most stress.

The bottoms are, therefore, made up of segmental portions which together form a' cup for the circulating liquid. The segnients are held together ing to the purpose for which the towers are to be used the joints are filled up and oaulked with cement-s resistant to acids and alkalies or with asbestos, mixing with a binding agent. Nevertheless, the joints which are exposed tochemical attack, to the washingout eiiect and to a certain hydrostatic pressure of the circulatng liquid, are liable to become leaky so that repairs are often necessa According to this invention each segment of the ?bottom is itself a cup having a rim of considerable height, the joints between the segments being protected against access of the liquid by covers which overlap the upper surface of the adjacent rims of contiguous cups.

The Construction will beapparent from the following description with reference to the accompanying drawing in which Fig. l is a plan of one segmental cup of'a bottom which is composed of six such cups.

Fig. 2 is a section on line f-g of Fig. 1. r

Fig. 3 is a section on line o-p of Fig. 1. i Fig. 4 is a section on line m-n of Fig. 1 and Fig. 5 is a section on line h'-7L of Fig. 1, the cover, which is another feature of the invention, being shown in elevation.

For the purpose of' completely protecting the joints which hitherto were attacked most, from any contact with the liquid each of the segmente torming the bottom of the reaction tower is provided on every side with a rini, so that each has the form of a cup. The

rinis are of such height that the total Capacity I by bandsand accord-.

when the circulation is stopped so that the liquid is prevented from ovcrfiowng the rims or creeping up the walls' andover the rims. Each cup has an outlet for discharging the liquid. At the center ofthe tower the seginents are truncated so that there is a space which is covered by a central plate resting on the rims. Those portions of the rims of the segmental cups which are not Situated underneaththe wall plates of the'tower and the central plate, namely the radialrims, are provided with cover plates having at their ends upstanding flanges engaged by undercut portions of the wall plates and of the central plate respectively; they are thus protected from the action of the circulating liquid. The adjacent radial rims are protected by the said covers from the trickling liquid. i i

In the accompanying drawing a is the circumterential rim of the cup. b is the radial rim and CZ is the rim at the center. All .these rims are of the same height. The radial rims are cemented to the corresponding rims of the adj acent cups, the cement joint z' being protected by the cover c. Z rests on the rims d, and thewall plates of the tower rest on the rims a; e is the out-let of the cup.

vent undue loading of thecover a.

Bottoms constructed as described are intended to be used in large towers for acid reactions and in all kinds of towers in which the aforesaid difficulties arise at the oints.

We claim:

1.' A segmental portion of natural stones c shape of a cup with a high run all around it. i

for bottoms of reaction towers having the 2. A bottom for reaction towers made'up i of segmental portions of natural Stones,

wherein each segmental portion has the sha-pe of a cup with a highrim all around it,

`,7. The central cover i ;8 5 clearance in the engagement in' order to prev the being protected a joints between the s egmental portons gainst access of the liquid by covers which overlap the uppersurfaces of the adjacent rms of contiguous cups.

tul-es.

In testimony whereof, we aflx our signa- ADOLF LHR. 

